My modem is not supported by RAS, what can I do?

John Savill

July 17, 1999

1 Min Read
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A. Windows NT RAS has support for Unimodem modems and can beconfigured as follows:

  1. Start the registry editor (regedit.exe)

  2. Move to HKEY_LOCAL_MACHINESOFTWAREMicrosoftRasProtocols

  3. From the Edit menu select New - DWORD value

  4. Enter a name of EnableUnimodem and press enter

  5. Leave as the default value of 0

  6. Close the registry editor

Once enabled you will only have the options to select from the list of modems(in modem.inf) and not 'Have disk' or 'Install Modem' option.

If your modem does not exist on the list of modems download the modems .inffile from the manufacturer and copy to modem.inf in the %systemroot%system32RASor just add details to the original modem.inf file. Make sure you backup theoriginal modem.inf file.

Run the Network control panel applet and select services. Select RemoteAccess Services and click Properties. Remove any ports currently defined andclick Add, add the ports and RAS will use the MODEM.INF file to getinitialization information for the modem.

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